Mask for protecting a face



FIG. 1 is a top and front perspective view of a mask for protecting a face, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a left side elevational view thereof, showing the mask for protecting a face in an alternate position. 

I claim, the ornamental design for a mask for protecting a face, as shown and described. 